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1.
Radiol Case Rep ; 17(3): 558-562, 2022 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-34987684

RESUMO

Primary hyperaldosteronism (PA) is one of the most common causes of secondary hypertension. PA may be associated with a decline in renal function. About 20% of cases with resistant HTN eventually cause PA, so all these patients should be evaluated for PA. Herein, we present a case with drug-resistant hypertension and chronic kidney disease (CKD), the cause of which was PA. Despite his low-salt diet modifications and treatment with several classes of antihypertensive medication, he had poorly controlled blood pressure (BP). Measurements of aldosterone and renin raised the concern of PA. Imaging confirmed bilateral adrenal hyperplasia. Due to the persistently high BP, despite the modification of the antihypertensive treatment, the patient underwent unilateral adrenalectomy, as the only feasible possibility of lowering aldosterone levels. After surgery, the patient had an improvement in both BP values and renal function. PA is difficult to diagnose in patients with CKD and Arterial Hypertension because hypertension is often associated with CKD, but PA accounts for a significant percentage of drug-resistant hypertension, so these patients should be screened for secondary arterial hypertension.

2.
Med Arch ; 72(5): 319-324, 2018 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-30524161

RESUMO

BACKGROUND: Excessive bleeding impairs outcome after coronary artery bypass grafting (CABG). Clopidogrel in combination with aspirin, given before percutaneous coronary intervention, have become the standard for stent thrombosis prevention. Some premedicated patients, however, are found to need surgical treatment, thus platelet inhibition caused by clopidogrel becomes a concern for post operation major bleeding. AIMS: This study was designed to evaluate the impact of preoperative clopidogrel on bleeding and outcomes after coronary artery bypass graft surgery (CABG). METHODS: The study represent a observational retrospective analysis of collected data. The follow up of 223 treated with clopidogrel and aspirin and 77 patients not receiving treatment with platelet antagonist 7 days before CABG are analyzed. RESULTS: The groups were comparable in age, gender, body surface area, preoperative hematocrit, preoperative prothrombin time and prior myocardial infarction. The clopidogrel group had higher12h and 24h mean chest tube output (at 12h mean 519.7ml vs 353.1 ml, p < 0.05, at 24h mean 756.6 ml vs 563.5 ml, p<0.05). Moreover, reoperation for bleeding was 4.5-fold higher in the clopidogrel group (5.9% vs. 1.3%, p <0.01), and more transfusions of red blood cells (3.23U vs 2.6 U, p<0.05), platelets (1.53U vs 1.23U, p<0.01) and fresh frozen plasma (0.84U vs 0.36 U, p<0.01). The clopidogrel group also showed a longer mechanical ventilation time (16.9h vs 12.9 h p = 0.03) and trend towards more prolonged stay in ICU (2.08 days vs 1.7 days p= 0.048). CONCLUSIONS: Clopidogrel in combination with aspirin before CABG is associated with higher postoperative bleeding, exposure to blood products and morbidity. These findings raise concern regarding the routine administration of clopidogrel before anticipated but undecided coronary stent implantation.


Assuntos
Aspirina/uso terapêutico , Clopidogrel/uso terapêutico , Ponte de Artéria Coronária , Inibidores da Agregação Plaquetária/uso terapêutico , Hemorragia Pós-Operatória/prevenção & controle , Cuidados Pré-Operatórios , Trombose/prevenção & controle , Idoso , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Resultado do Tratamento
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